If you are still having a problem pushing a work unit up, look at this. He had the same problem.
http://forum.folding-community.org/viewtopic.php?t=14050&highlight=
better yet, try this link
FAQ - Cant upload?
http://forum.folding-community.org/viewtopic.php?t=9477
changing the IE setting to no proxy did the trick, everything looks good now and have been credited for the WU. Thanks